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MAX Z = 60A + 50B
s.t. 10A + 20B ≤ 200
8A + 5B ≤ 80
A ≥ 2
B ≥ 5
Solve this linear program graphically and determine the optimal quantities of A, B, and the value of Z using iso-profit method.
What will be critical value of chi-square if test is to be performed at 0.025 level? At the 0.05 level?
You are to find the state-machine diagram for the following electronic vending-machine specification. The vending machine sells jawbreaker candy, one jawbreaker for 25¢.
Suppose a coin is flipped and a die is rolled. Let E1 denote the event "the coin shows a tail", let E2 denote the event "the dies shows a 3", and let E3 denote the event "the coin shows heads and the die shows an odd number".
(i) What is the slope of the least-squares regression line of final-exam scores on pre-exam total scores in this course? What is the intercept? (ii) Use the regression line to predict Julie's final-exam score.
Assume that a patient is believed to have one of two diseases, denoted by D1 and D2 with P(D1)=0.40 and P(D2)=0.60 and that medical research has determined the probability associated with each symptom that may accompany the diseases.
Cullumber Company issues $370,000, 20-year, 7% bonds at 102. Prepare the journal entry to record the sale of these bonds on June 1, 2017.
Two statisticians independently estimate the variance of the same normally distributed population, each using a random sample of size 10.
Use Binomial Tables in Appendix B of the Text Book (or use Excel function) and write down the Binomial Distribution in a tabular form and plot the chart
Find the equation of least -squares line and plot the line on the scatter diagram of part (a)
How are the goals of the tests similar and different? How are the tests used? What are the purposes of giving these differing tests?
A young woman in that age group is randomly selected; independently, a young man in that age group is randomly selected. What is the probability that the young man is taller than the young woman by more than 5 inches
Show that the distribution of a random variable X with possible values 0, 1, and 2 is determined by µ1 = E(X) and µ2 = E(X2)
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